Increase the range of a-exp's ratio to make it usable like a gate
[ardour.git] / libs / ardour / import.cc
index 2b3f1058792b60b8fcb18fe41851cfcf40cf59d6..4c740c4d31d7a3449660c240da858c913f472fed 100644 (file)
 #include <sndfile.h>
 #include <samplerate.h>
 
-#include <glib/gstdio.h>
+#include "pbd/gstdio_compat.h"
 #include <glibmm.h>
 
 #include <boost/scoped_array.hpp>
+#include <boost/scoped_ptr.hpp>
 #include <boost/shared_array.hpp>
 
 #include "pbd/basename.h"
@@ -47,7 +48,6 @@
 
 #include "ardour/analyser.h"
 #include "ardour/ardour.h"
-#include "ardour/audio_diskstream.h"
 #include "ardour/audioengine.h"
 #include "ardour/audioregion.h"
 #include "ardour/import_status.h"
 #include "ardour/caimportable.h"
 #endif
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 
 static boost::shared_ptr<ImportableSource>
-open_importable_source (const string& path, framecnt_t samplerate, ARDOUR::SrcQuality quality)
+open_importable_source (const string& path, samplecnt_t samplerate, ARDOUR::SrcQuality quality)
 {
        /* try libsndfile first, because it can get BWF info from .wav, which ExtAudioFile cannot.
           We don't necessarily need that information in an ImportableSource, but it keeps the
@@ -118,7 +118,9 @@ open_importable_source (const string& path, framecnt_t samplerate, ARDOUR::SrcQu
 }
 
 vector<string>
-Session::get_paths_for_new_sources (bool /*allow_replacing*/, const string& import_file_path, uint32_t channels)
+Session::get_paths_for_new_sources (bool /*allow_replacing*/, const string& import_file_path, uint32_t channels,
+                                    vector<string> const & smf_track_names)
+
 {
        vector<string> new_paths;
        const string basename = basename_nosuffix (import_file_path);
@@ -129,13 +131,19 @@ Session::get_paths_for_new_sources (bool /*allow_replacing*/, const string& impo
                string filepath;
 
                switch (type) {
-                 case DataType::MIDI:
-                               if (channels > 1) {
-                                       string mchn_name = string_compose ("%1-t%2", basename, n);
-                                       filepath = new_midi_source_path (mchn_name);
+               case DataType::MIDI:
+                       assert (smf_track_names.empty() || smf_track_names.size() == channels);
+                       if (channels > 1) {
+                               string mchn_name;
+                               if (smf_track_names.empty() || smf_track_names[n].empty()) {
+                                       mchn_name = string_compose ("%1-t%2", basename, n);
                                } else {
-                                       filepath = new_midi_source_path (basename);
+                                       mchn_name = string_compose ("%1-%2", basename, smf_track_names[n]);
                                }
+                               filepath = new_midi_source_path (mchn_name);
+                       } else {
+                               filepath = new_midi_source_path (basename);
+                       }
                        break;
                case DataType::AUDIO:
                        filepath = new_audio_source_path (basename, channels, n, false, false);
@@ -176,7 +184,7 @@ static bool
 create_mono_sources_for_writing (const vector<string>& new_paths,
                                  Session& sess, uint32_t samplerate,
                                  vector<boost::shared_ptr<Source> >& newfiles,
-                                 framepos_t timeline_position)
+                                 samplepos_t timeline_position)
 {
        for (vector<string>::const_iterator i = new_paths.begin(); i != new_paths.end(); ++i) {
 
@@ -231,7 +239,7 @@ static void
 write_audio_data_to_new_files (ImportableSource* source, ImportStatus& status,
                                vector<boost::shared_ptr<Source> >& newfiles)
 {
-       const framecnt_t nframes = ResampledImportableSource::blocksize;
+       const samplecnt_t nframes = ResampledImportableSource::blocksize;
        boost::shared_ptr<AudioFileSource> afs;
        uint32_t channels = source->channels();
        if (channels == 0) {
@@ -265,14 +273,14 @@ write_audio_data_to_new_files (ImportableSource* source, ImportStatus& status,
                uint32_t read_count = 0;
 
                while (!status.cancel) {
-                       framecnt_t const nread = source->read (data.get(), nframes);
+                       samplecnt_t const nread = source->read (data.get(), nframes * channels);
                        if (nread == 0) {
                                break;
                        }
 
-                       peak = compute_peak (data.get(), nread, peak);
+                       peak = compute_peak (data.get(), nread * channels, peak);
 
-                       read_count += nread;
+                       read_count += nread / channels;
                        status.progress = 0.5 * read_count / (source->ratio() * source->length() * channels);
                }
 
@@ -286,15 +294,15 @@ write_audio_data_to_new_files (ImportableSource* source, ImportStatus& status,
                progress_base = 0.5;
        }
 
-       framecnt_t read_count = 0;
+       samplecnt_t read_count = 0;
 
        while (!status.cancel) {
 
-               framecnt_t nread, nfread;
+               samplecnt_t nread, nfread;
                uint32_t x;
                uint32_t chn;
 
-               if ((nread = source->read (data.get(), nframes)) == 0) {
+               if ((nread = source->read (data.get(), nframes * channels)) == 0) {
 #ifdef PLATFORM_WINDOWS
                        /* Flush the data once we've finished importing the file. Windows can  */
                        /* cache the data for very long periods of time (perhaps not writing   */
@@ -317,7 +325,7 @@ write_audio_data_to_new_files (ImportableSource* source, ImportStatus& status,
 
                for (chn = 0; chn < channels; ++chn) {
 
-                       framecnt_t n;
+                       samplecnt_t n;
                        for (x = chn, n = 0; n < nfread; x += channels, ++n) {
                                channel_data[chn][n] = (Sample) data[x];
                        }
@@ -338,26 +346,40 @@ write_audio_data_to_new_files (ImportableSource* source, ImportStatus& status,
 
 static void
 write_midi_data_to_new_files (Evoral::SMF* source, ImportStatus& status,
-                              vector<boost::shared_ptr<Source> >& newfiles)
+                              vector<boost::shared_ptr<Source> >& newfiles,
+                              bool split_type0)
 {
        uint32_t buf_size = 4;
        uint8_t* buf      = (uint8_t*) malloc (buf_size);
 
        status.progress = 0.0f;
+       uint16_t num_tracks;
+       bool type0 = source->is_type0 () && split_type0;
+       const std::set<uint8_t>& chn = source->channels ();
 
-       assert (newfiles.size() == source->num_tracks());
+       if (type0) {
+               num_tracks = source->channels().size();
+       } else {
+               num_tracks = source->num_tracks();
+       }
+       assert (newfiles.size() == num_tracks);
 
        try {
                vector<boost::shared_ptr<Source> >::iterator s = newfiles.begin();
+               std::set<uint8_t>::const_iterator cur_chan = chn.begin();
 
-               for (unsigned i = 1; i <= source->num_tracks(); ++i) {
+               for (unsigned i = 1; i <= num_tracks; ++i) {
 
                        boost::shared_ptr<SMFSource> smfs = boost::dynamic_pointer_cast<SMFSource> (*s);
 
                        Glib::Threads::Mutex::Lock source_lock(smfs->mutex());
 
                        smfs->drop_model (source_lock);
-                       source->seek_to_track (i);
+                       if (type0) {
+                               source->seek_to_start ();
+                       } else {
+                               source->seek_to_track (i);
+                       }
 
                        uint64_t t       = 0;
                        uint32_t delta_t = 0;
@@ -385,6 +407,17 @@ write_midi_data_to_new_files (Evoral::SMF* source, ImportStatus& status,
                                        continue;
                                }
 
+                               // type-0 files separate by channel
+                               if (type0) {
+                                       uint8_t type = buf[0] & 0xf0;
+                                       uint8_t chan = buf[0] & 0x0f;
+                                       if (type >= 0x80 && type <= 0xE0) {
+                                               if (chan != *cur_chan) {
+                                                       continue;
+                                               }
+                                       }
+                               }
+
                                if (first) {
                                        smfs->mark_streaming_write_started (source_lock);
                                        first = false;
@@ -392,9 +425,9 @@ write_midi_data_to_new_files (Evoral::SMF* source, ImportStatus& status,
 
                                smfs->append_event_beats(
                                        source_lock,
-                                       Evoral::Event<Evoral::MusicalTime>(
-                                               0,
-                                               Evoral::MusicalTime::ticks_at_rate(t, source->ppqn()),
+                                       Evoral::Event<Temporal::Beats>(
+                                               Evoral::MIDI_EVENT,
+                                               Temporal::Beats::ticks_at_rate(t, source->ppqn()),
                                                size,
                                                buf));
 
@@ -407,9 +440,9 @@ write_midi_data_to_new_files (Evoral::SMF* source, ImportStatus& status,
 
                                /* we wrote something */
 
-                               const framepos_t          pos = 0;
-                               const Evoral::MusicalTime length_beats = Evoral::MusicalTime::ticks_at_rate(t, source->ppqn());
-                               BeatsFramesConverter      converter(smfs->session().tempo_map(), pos);
+                               const samplepos_t     pos          = 0;
+                               const Temporal::Beats  length_beats = Temporal::Beats::ticks_at_rate(t, source->ppqn());
+                               BeatsSamplesConverter converter(smfs->session().tempo_map(), pos);
                                smfs->update_length(pos + converter.to(length_beats.round_up_to_beat()));
                                smfs->mark_streaming_write_completed (source_lock);
 
@@ -417,14 +450,17 @@ write_midi_data_to_new_files (Evoral::SMF* source, ImportStatus& status,
                                        break;
                                }
                        } else {
-                               warning << string_compose (_("Track %1 of %2 contained no usable MIDI data"), i, source->file_path()) << endmsg;
+                               info << string_compose (_("Track %1 of %2 contained no usable MIDI data"), i, num_tracks) << endmsg;
                        }
 
                        ++s; // next source
+                       if (type0) {
+                               ++cur_chan;
+                       }
                }
 
-       } catch (...) {
-               error << string_compose (_("MIDI file %1 was not readable (no reason available)"), source->file_path()) << endmsg;
+       } catch (exception& e) {
+               error << string_compose (_("MIDI file could not be written (best guess: %1)"), e.what()) << endmsg;
        }
 
        if (buf) {
@@ -456,20 +492,22 @@ Session::import_files (ImportStatus& status)
        boost::shared_ptr<AudioFileSource> afs;
        boost::shared_ptr<SMFSource> smfs;
        uint32_t channels = 0;
+       vector<string> smf_names;
 
        status.sources.clear ();
 
-       for (vector<string>::iterator p = status.paths.begin();
+       for (vector<string>::const_iterator p = status.paths.begin();
             p != status.paths.end() && !status.cancel;
             ++p)
        {
                boost::shared_ptr<ImportableSource> source;
-               std::auto_ptr<Evoral::SMF>          smf_reader;
+
                const DataType type = SMFSource::safe_midi_file_extension (*p) ? DataType::MIDI : DataType::AUDIO;
+               boost::scoped_ptr<Evoral::SMF> smf_reader;
 
                if (type == DataType::AUDIO) {
                        try {
-                               source = open_importable_source (*p, frame_rate(), status.quality);
+                               source = open_importable_source (*p, sample_rate(), status.quality);
                                channels = source->channels();
                        } catch (const failed_constructor& err) {
                                error << string_compose(_("Import: cannot open input sound file \"%1\""), (*p)) << endmsg;
@@ -479,31 +517,49 @@ Session::import_files (ImportStatus& status)
 
                } else {
                        try {
-                               smf_reader = std::auto_ptr<Evoral::SMF>(new Evoral::SMF());
-                               smf_reader->open(*p);
-                               channels = smf_reader->num_tracks();
+                               smf_reader.reset (new Evoral::SMF());
+
+                               if (smf_reader->open(*p)) {
+                                       throw Evoral::SMF::FileError (*p);
+                               }
+
+                               if (smf_reader->is_type0 () && status.split_midi_channels) {
+                                       channels = smf_reader->channels().size();
+                               } else {
+                                       channels = smf_reader->num_tracks();
+                                       switch (status.midi_track_name_source) {
+                                       case SMFTrackNumber:
+                                               break;
+                                       case SMFTrackName:
+                                               smf_reader->track_names (smf_names);
+                                               break;
+                                       case SMFInstrumentName:
+                                               smf_reader->instrument_names (smf_names);
+                                               break;
+                                       }
+                               }
                        } catch (...) {
                                error << _("Import: error opening MIDI file") << endmsg;
                                status.done = status.cancel = true;
                                return;
                        }
                }
-               
+
                if (channels == 0) {
                        error << _("Import: file contains no channels.") << endmsg;
                        continue;
                }
 
-               vector<string> new_paths = get_paths_for_new_sources (status.replace_existing_source, *p, channels);
+               vector<string> new_paths = get_paths_for_new_sources (status.replace_existing_source, *p, channels, smf_names);
                Sources newfiles;
-               framepos_t natural_position = source ? source->natural_position() : 0;
+               samplepos_t natural_position = source ? source->natural_position() : 0;
 
 
                if (status.replace_existing_source) {
                        fatal << "THIS IS NOT IMPLEMENTED YET, IT SHOULD NEVER GET CALLED!!! DYING!" << endmsg;
-                       status.cancel = !map_existing_mono_sources (new_paths, *this, frame_rate(), newfiles, this);
+                       status.cancel = !map_existing_mono_sources (new_paths, *this, sample_rate(), newfiles, this);
                } else {
-                       status.cancel = !create_mono_sources_for_writing (new_paths, *this, frame_rate(), newfiles, natural_position);
+                       status.cancel = !create_mono_sources_for_writing (new_paths, *this, sample_rate(), newfiles, natural_position);
                }
 
                // copy on cancel/failure so that any files that were created will be removed below
@@ -521,11 +577,11 @@ Session::import_files (ImportStatus& status)
 
                if (source) { // audio
                        status.doing_what = compose_status_message (*p, source->samplerate(),
-                                                                   frame_rate(), status.current, status.total);
+                                                                   sample_rate(), status.current, status.total);
                        write_audio_data_to_new_files (source.get(), status, newfiles);
-               } else if (smf_reader.get()) { // midi
+               } else if (smf_reader) { // midi
                        status.doing_what = string_compose(_("Loading MIDI file %1"), *p);
-                       write_midi_data_to_new_files (smf_reader.get(), status, newfiles);
+                       write_midi_data_to_new_files (smf_reader.get(), status, newfiles, status.split_midi_channels);
                }
 
                ++status.current;
@@ -553,7 +609,7 @@ Session::import_files (ImportStatus& status)
                                        Analyser::queue_source_for_analysis (boost::static_pointer_cast<Source>(*x), false);
                                }
                        }
-                       
+
                        /* imported, copied files cannot be written or removed
                         */
 
@@ -591,7 +647,7 @@ Session::import_files (ImportStatus& status)
                } catch (...) {
                        error << _("Failed to remove some files after failed/cancelled import operation") << endmsg;
                }
-                               
+
        }
 
        status.done = true;